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KOH smear was performed in all cases. For each patient, clinical data included age, gender, type of melanonychia and involved fingers.

This study aimed to show increased incidence of dermatophytic melanonychia and its correct management. In addition, we reviewed our collected cases and described the clinical and dermoscopic features of dermatophytic melanonychia.

The results of this study showed that physicians should keep in mind the diagnosis of this increasing disease, and that it cannot be performed relying only on clinical grounds. We would like to highlight the importance of tools as KOH examination, culture and dermoscopy.

The results of this study showed that physicians should keep in mind the diagnosis of this increasing disease, and that it cannot be performed relying only on clinical grounds. We would like to highlight the importance of tools as KOH examination, culture and dermoscopy.

The adolescent years represent a key period for the development of musculoskeletal complaints (MSC) and the differences between boys and girls. We evaluated the prevalence and course of MSC and factors associated with MSC while growing up from age 11 to age 20.

Questionnaire-based data at age 11 (n=2,638), age 14 (n=2,517), age 17 (n=2,094) and at age 20 (n=2,206) from the ongoing Prevention and Incidence of Asthma and Mite Allergy (PIAMA) birth cohort were analyzed. MSC refers to pain of lower back, upper- and/or lower extremities. A multivariable logistic regression analysis was used to evaluate a number of factors in relation to persistent pain (pain reported at three out of four measurements).

Prevalence of MSC increased from 14.2% at age 11 to 22.1% at age 20 for boys, and from 17.4% at age 11 to 37.9% at age 20 for girls. Persistent pain was found among 5.1% of the boys and 16.5% of the girls. Being bullied, sleeping problems and tiredness during the day were significantly associated with persistetween girls and boys, with more pain among girls. Boys and girls do hardly differ with respect to factors associated with MSC, being mainly psychosocial factors and (sports) accidents.

The purpose of this survey was to examine the association of general characteristics, oral health knowledge, attitudes, behavior, and dental caries status among adolescents in Jiangxi Province and to provide a basis for future prevention of dental caries among middle school students.

A total of 8,160 adolescents aged 12 to 15 years were invited to participate in this survey by a stratified random cluster sampling method from 30 schools in five counties in Jiangxi Province. A self-administered questionnaire was used to understand their basic characteristics, including oral health behaviors, knowledge, and attitudes. Chi-square tests were used to compare dental caries status and general characteristics. Univariate and multivariate logistic regression analyses were used to study the effects of oral health knowledge, attitudes, and behavior on dental caries.

The prevalence of dental caries in permanent teeth was 25.8 percent, and the mean DMFT score of 12- to 15-year-old adolescents was 0.48 ± 1.04. The prevalence in rural areas was higher than that in urban areas (P < 0.001). The prevalence was higher in girls than in boys (P < 0.001). No significant age differences were observed (P > 0.05) in the prevalence of dental caries. The multivariate logistic regression analysis indicated that the variables associated with dental caries were tooth brushing frequency, use of toothpaste, frequency of sugary milk intake, smoking, and oral health attitudes.

This study revealed that adolescent oral health behaviors and attitudes were associated with dental caries. It is important to implement targeted oral disease prevention and control measures among adolescents.

This study revealed that adolescent oral health behaviors and attitudes were associated with dental caries. It is important to implement targeted oral disease prevention and control measures among adolescents.

Childhood cancer survivors are at risk for cardiovascular disease (CVD) because of intensive cancer therapies often accompanied by an unhealthy lifestyle. This study was aimed at 1) describing modifiable CVD risk factors in survivors and 2) investigating the association between different aspects of physical fitness and CVD risk factors.

The authors analyzed cross-sectional data from ≥5-year survivors who were 16 years old or younger at their cancer diagnosis and 16 years old or older at the time of the study. Single CVD risk factors (waist circumference, blood pressure, fasting glucose, inverse high-density lipoprotein, and triglycerides), a composite CVD risk score (combined z scores of all CVD risk factors), and metabolic syndrome were evaluated. click here Physical fitness measures included cardiopulmonary exercise testing (CPET), a handgrip test, and a 1-minute sit-to-stand test (STS). Multivariable logistic regression was used for the association between fitness measures and CVD risk factors, with adjustments mhildhood cancer survivors could benefit from physical activity and general fitness by increasing their physical fitness and possibly decreasing their risk of cardiovascular disease.Atropisomerism is a fundamental feature of substituted biaryls resulting from rotation around the biaryl axis. Different stereoisomers are formed due to restricted rotation about the single bond, a situation often found in substituted porphyrins. Previously NMR determination of porphyrin atropisomers proved difficult, if not almost impossible to accomplish, due to low resolution or unresolvable resonance signals that predominantly overlapped. Here, we shed some light on this fundamental issue found in porphyrinoid stereochemistry. Using benzenesulfonic acid (BSA) for host-guest interactions and performing 1D, 2D NMR spectroscopic analyses, we were able to characterize all four rotamers of the nonplanar 5,10,15,20-tetrakis(2-aminophenyl)-2,3,7,8,12,13,17,18-octaethylporphyirin as restricted H-bonding complexes. Additionally, X-ray structural analysis was used to investigate aspects of the weak host-guest interactions. A detailed assignment of the chemical signals suggests charge-assisted complexation as a key to unravel the atropisomeric enigma.